PlaySudoku.us
Easy · Puzzle #885
6
8
7
5
3
6
4
2
7
1
5
3
6
5
3
8
1
2
6
8
3
5
6
4
7
3
8
2
7
4
2
8
9
3
1
2
1
3
4
7
3
1
6
9
8
Sudoku appeared as a puzzle category on Jeopardy! during the height of its US popularity in 2005–2006.
Sudoku appeared as a puzzle category on Jeopardy! during the height of its US popularity in 2005–2006.
The Swordfish technique extends X-Wing to three rows and three columns — rare but decisive on expert grids.
The Swordfish technique extends X-Wing to three rows and three columns — rare but decisive on expert grids.